The ADA4941-1 is a low power, low noise differential driver for
analog-to-digital converters (ADCs) up to 18 bits in systems
that are sensitive to power. The ADA4941-1 is configured in an
easy-to-use, single-ended-to-differential configuration and
requires no external components for a gain of 2 configuration.
A resistive feedback network can be added to achieve gains greater
than 2. The ADA4941-1 provides essential benefits, such as low
distortion and high SNR that are required for driving high
resolution ADCs.
With a wide input voltage range (0 V to 3.9 V on a single 5 V
supply), rail-to-rail output, high input impedance, and a user-adjustable
gain, the ADA4941-1 is designed to drive single-supply
ADCs with differential inputs found in a variety of low power
applications, including battery-operated devices and singlesupply
data acquisition systems.
The ADA4941-1 is ideal for driving the 16-bit and 18-bit
PulSAR® ADCs, such as the AD7687, AD7690, and AD7691.
The ADA4941-1 is manufactured on Analog Devices, Inc.,
proprietary, second-generation, eXtra fast complementary
bipolar (XFCB) process, which enables the amplifier to achieve
18-bit performance on low supply currents.
The ADA4941-1 is available in a small 8-lead LFCSP as well as a
standard 8-lead SOIC and is rated to work over the extended
industrial temperature range, −40°C to +125°C.
Applications
- Single-supply data acquisition systems
- Instrumentation
- Process control
- Battery-power systems
- Medical instrumentation
